CN110243044A - A kind of fresh air system and method that Intelligent Indoor Air detection is adjusted - Google Patents
A kind of fresh air system and method that Intelligent Indoor Air detection is adjusted Download PDFInfo
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- CN110243044A CN110243044A CN201910516969.7A CN201910516969A CN110243044A CN 110243044 A CN110243044 A CN 110243044A CN 201910516969 A CN201910516969 A CN 201910516969A CN 110243044 A CN110243044 A CN 110243044A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
Abstract
The invention discloses fresh air system and method that a kind of detection of Intelligent Indoor Air is adjusted.By formaldehyde sensor, the benzene sensor Timing measurement indoor formaldehyde, benzene content in window fresh air system, control processing module is sent for formaldehyde, benzene content by narrowband Internet of Things NB-IoT, it is determined whether to enable fans for control processing module；Wireless subscriber terminal is transferred data to simultaneously, and user's available handsets end directly sets fan swicth threshold value, and more than threshold value is opened, then fan starts turning sensor institute's measured value；Electronic display setting fan swicth threshold value also can be used directly in user.It is indoor that the present invention mainly can be applicable to new finishing, formaldehyde and benzene pollution for furniture discharge, it is able to achieve to room air real-time monitoring, room air can be carried out prejudging and open ventilation fan in advance, simultaneously can the modes such as long-range, timing and threshold value dispatch wind is controlled, to ensure indoor air quality.
Description
Technical field
It the present invention relates to the use of Internet of Things network means to carry out real-time monitoring and adjust room air, especially one kind to pass through sensing
Device, narrowband Internet of Things, support vector classification detect and adjust the fresh air system and its method of room air.
Background technique
Interior decoration brings formaldehyde and benzene both gaseous contaminations, and concentration of formaldehyde is excessively high to cause leukaemia, and benzene poisoning can
Cause uncomfortable in chest, out of strength, it is even dead due to respiratory and circulatory failure to there will be severe stupor, and the release of formaldehyde and benzene is kind slow
Slowly, lasting process, longest sustainable ten years.There are the hands such as photocatalyst, bamboo charcoal packet, air purifier except formaldehyde on the market now
Section, but photocatalyst light requirement shine in the case of just effectively, bamboo charcoal packet and air purifier are ineffective except formaldehyde and benzene, and lasting
Using bamboo charcoal or strainer adsorption saturation can be made, so as to cause secondary pollution.Really except the more effective mode of formaldehyde is to keep ventilation,
Fresh air system can accomplish this point, but traditional fresh air system needs to burrow on the wall, or renovated house without
The method later period increases, this makes existing product complicated there are still bulky, installation and can not intelligent control, real time monitoring, far
The problems such as journey operates.
Summary of the invention
The fresh air system adjusted the invention mainly solves the technical problem of providing a kind of detection of Intelligent Indoor Air and side
Method, is detected using sensor, narrowband Internet of Things, support vector classification and intelligence adjusts indoor air quality.
In order to solve the above technical problems, one technical scheme adopted by the invention is that:
One, the fresh air system that Intelligent Indoor Air detection is adjusted
Forms are provided with the mounting hole for installing fresh air system, and fresh air system includes fixed frame, fan assembly, operating surface
The fixed frame of plate, electronic display, control processing module and sensor group, fresh air system is fixed on forms by mounting hole,
Fixed frame is equipped with fan assembly close to indoor side, and the fixed frame of fan assembly periphery is equipped with operation panel and electronic display
Display screen, fixed frame inside are equipped with control processing module and sensor group.
Sensor group is connected with control processing module, and the room air data for obtaining sensor group measurement are sent to
Processing module is controlled, control processing module is handled to obtain control result to room air data.
Control processing module is connected with fan assembly, and control processing module controls the starting of fan assembly according to control result
Or it closes.
Electronic display is connected with control processing module, and electronic display is used for real-time display room air information.
Operation panel is connected by controlling processing module with fan assembly, and operation panel is used to control turning for fan assembly
Speed.
Preferably, sensor group includes temperature sensor, humidity sensor, formaldehyde sensor and benzene sensor, and temperature passes
Sensor and humidity sensor are respectively used to the temperature of indoor and outdoor and the humidity of indoor and outdoor；Formaldehyde sensor and benzene sensor are used respectively
In the indoor content of formaldehyde of measurement and benzene content, and formaldehyde and benzene content data that measurement is obtained pass through NB-IoT communication module
It is sent to control processing module.
Preferably, the fan assembly includes fan main body, sealing plate, separation net, first motor and the second motor, wind
Fan main body is fixed on fixed frame, and first motor is connected the operating for controlling fan main body with fan main body；Sealing plate is hinged
It is mounted on the periphery in the air-supply face of fan main body, separation net, the second electricity are installed between sealing plate and the air-supply face of fan main body
Machine is connected the folding for controlling sealing plate with sealing plate, and sealing plate, which is opened or closed, makes sealing plate not close or close fan main body；
First motor and the second motor are connected with control processing module.
Preferably, the surrounding of the mounting hole of forms is fixed with fixed frame, and the fixed frame of fresh air system is mounted on fixed frame
It is interior.
Preferably, benzene sensor is connected to NB-IoT communication module, the first analog-digital converter by the first analog-digital converter
Normal phase input end connect benzene sensor, the reverse inter-input-ing ending grounding of the first analog-digital converter, the output of the first analog-digital converter
End connection NB-IoT communication module；The formaldehyde sensor is connected to NB-IoT communication module by the second analog-digital converter,
The normal phase input end connection formaldehyde sensor of second analog-digital converter, the reverse inter-input-ing ending grounding of the first analog-digital converter, second
The output end of analog-digital converter connects NB-IoT communication module.
First analog-digital converter and the second analog-digital converter use the conversion circuit with amplifier.
Two, a kind of Intelligent Indoor Air detects adjusting method, comprising the following steps:
Step 1: sensor group sends control by NB-IoT communication module for the room air data that real-time measurement obtains
Processing module processed.
Step 2: control processing module judges whether that fan main body is opened in control according to the detection threshold value of setting, if Interior Space
Destiny first controls the second motor and opens sealing plate according to detection threshold value, control processing module is greater than, then controls first motor and open wind
Fan main body；If room air data are less than detection threshold value, enter next step.
Step 3: by the room air data input support vector classification model at current time, output obtains lower a period of time
The prediction air data at quarter, control processing module judge whether current time needs to open fan master according to prediction air data
Body: processing module is controlled if the prediction air data of subsequent time is greater than detection threshold value and controls unlatching fan master at current time
Body；Otherwise, it controls fan main body and sealing plate is closed, and the room air data at current time are stored in historical data base.
Step 4: control processing module shows the room air data at current time by electronic display, and leads to
It crosses wireless network and is transmitted to user terminal.
The support vector classification model is trained historical data base as training sample, will be gone through
History moment corresponding room air data are as input, using the room air data of subsequent time as output to supporting vector point
Class machine model is trained.
The room air data include content of formaldehyde data and benzene content data.
The present invention is fixed fresh air system and forms by fixed frame, and installation is simple；Using temperature sensor, humidity
Sensor, formaldehyde sensor and benzene sensor carry out detection to indoor environment and are judged according to support vector classification calculated result
Fan whether is opened, realizes the anticipation to air quality, opens fan in advance if prediction subsequent time air quality is exceeded, it is real
The intelligent measurement adjusting to indoor air quality is showed；Wireless subscriber terminal, user's available handsets end are transferred data to simultaneously
Fan swicth threshold value is directly set, then fan starts turning sensor institute's measured value more than threshold value is opened；Electricity also can be used directly in user
Fan swicth threshold value is arranged in sub- display screen.Multimode realizes the remote monitoring and control to air quality.
The beneficial effects of the present invention are:
The present invention greatly reduces compared to the volume of existing fresh air system product, and is mounted at one jiao of forms,
Small compared to the area for occupying forms to have no effect on indoor illumination, installation is simple.
The present invention mainly can be applicable to formaldehyde and the benzene pollution that new finishing is indoor, discharges for furniture, be able to achieve to interior
Air real-time monitoring, and dispatch wind is controlled by modes such as intelligent set, long-range, timing and threshold values, it is ensured that Interior Space
Gas is fresh.
Detailed description of the invention
Fig. 1 is fresh air system structural schematic diagram of the invention；
Fig. 2 is that air detection of the invention adjusts work flow diagram；
Fig. 3 is scheme of installation of the invention；
Fig. 4 is electrical connecting wires figure of the invention.
In figure: fixed frame 1, fan assembly 2, operation panel 3, electronic display 4, sensor group 5, forms 6, fixed frame 7.
Specific embodiment
As shown in Figure 1, the present invention includes fixed frame, fixed frame, fan, sealing plate, control motor, separation net, formaldehyde biography
Sensor, benzene sensor, single-chip microcontroller, NB-IoT protenchyma connected network communication system, electronic display, intelligent gateway, Data processing
Heart etc..Fixed frame is mounted on outside fixed frame, this fresh air system is square design, and windowpane is opened according to fresh air system shape
Hole connects this fresh air system and windowpane by fixed frame, is this fresh air system in fixed frame.
Fresh air system and forms are fixed by fixed frame；Pass through temperature sensor, humidity sensor, formaldehyde sensing
Device and benzene sensor detect indoor environment；Switch control is carried out to fresh air system operating by control panel and single-chip microcontroller
System；It will test data by the narrowband NB-IoT Internet of Things and be sent to user terminal, and remotely controlled.
Electronic display can show the information such as current indoor formaldehyde, benzene, temperature and humidity, outdoor temperature, humidity information.It is aobvious
Display screen connects single-chip microcontroller, single-chip microcontroller attended operation panel, and user can operate fan running threshold value according to operation panel
Setting.
Fan assembly includes the parts such as fan main body, sealing plate, control motor, separation net, is controlled by motor one close
The folding of sealing plate controls the operating of fan main body by motor two.As shown in Figure 1, sealing plate is expressed as two dotted lines up and down
Frame, two dotted line frames respectively indicate upper sealing panel and lower sealing plate, and sealing plate is mainly made of upper sealing panel and lower sealing plate, on
Sealing plate and lower sealing plate close the air-supply face of fan main body jointly, are connected between upper sealing panel and lower sealing plate by transmission mechanism
It is connected again with the second motor after connecing, transmission mechanism uses V belt translation, chain conveyer or gear drive.Second motor drives driver
Structure movement, upper sealing panel and lower sealing plate flip outward jointly under the drive of transmission mechanism, and fan main body is made to be exposed to interior,
To make fan main body towards indoor air-supply.It needs to open sealing plate before opening fan, needs to close sealing plate after closing fan.
As shown in figure 4, benzene sensor is connected to NB-IoT (narrowband Internet of Things) communication module by the first analog-digital converter,
The normal phase input end of first analog-digital converter connects benzene sensor, the reverse inter-input-ing ending grounding of the first analog-digital converter, the first mould
The output end of number converter connects NB-IoT communication module.Formaldehyde sensor is connected to NB-IoT by the second analog-digital converter and leads to
Believe module, the normal phase input end of the second analog-digital converter connects formaldehyde sensor, the anti-phase input termination of the first analog-digital converter
The output end on ground, the second analog-digital converter connects NB-IoT communication module.Benzene sensor and formaldehyde sensor are all connected to jointly
Power supply.
As shown in figure 3, this product is mounted on window, pass through temperature sensor, humidity sensor, formaldehyde sensor and benzene
Sensor detects indoor environment, and formolite number and benzene sensor values are compared with setting value in system, if it exceeds
Threshold value then opens fan, and will test data transmission to data processing centre by NB-IoT node.
As shown in Fig. 2, specific workflow of the invention is as follows:
1. detecting formaldehyde, the benzene content in current indoor air by formaldehyde, benzene sensor.According to threshold set by user
Value is judged, is such as exceeded threshold value, is then opened fan, while transferring data to data by narrowband Internet of Things NB-IoT node
Processing center.
2. being made by formaldehyde, the benzene content in 24 hours before this every 1 hour (before current time 24 hours~1 hour)
For input, for subsequent time (23 hours~current time before current time) if formaldehyde or benzene content are exceeded, output is unlatching wind
Fan, output establishes support vector classification artificial intelligence model to close fan if the two is neither exceeded.
3. the formaldehyde currently measured, benzene content pass through the support vector classification established in 24 hours before this as input
Model carry out simulation trial, subsequent time formaldehyde or benzene content it is whether exceeded as output, predicted, such as predict it is exceeded, then
Remote opening ventilation fan.
4. data processing centre is synchronous to be transmitted to user terminal by wireless network for data.User's available handsets end is direct
Fan swicth threshold value is set, then fan starts turning sensor institute's measured value more than threshold value is opened；Electronic display also can be used directly in user
Fan swicth threshold value is arranged in display screen.Multimode realizes the remote monitoring and control to air quality.
The present invention mainly can be applicable to formaldehyde and the benzene pollution that new finishing is indoor, discharges for furniture, be able to achieve to interior
Air real-time monitoring can carry out anticipation by support vector classification to room air and open ventilation fan in advance, while can
Remotely, the modes such as timing and threshold value control dispatch wind, to ensure indoor air quality.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of fresh air system that Intelligent Indoor Air detection is adjusted, it is characterised in that: forms are provided with for installing fresh air system
Mounting hole, fresh air system include fixed frame (1), fan assembly (2), operation panel (3), electronic display (4), control processing
The fixed frame (1) of module and sensor group (5), fresh air system is fixed on forms (6) by mounting hole, and fixed frame (1) is close
Indoor side is equipped with fan assembly (2), and the fixed frame (1) of fan assembly (2) periphery is equipped with operation panel (3) and electronics
Display screen (4), fixed frame (1) is internal to be equipped with control processing module and sensor group (5)；Sensor group (5) and control processing mould
Block is connected, and the room air data for obtaining sensor group (5) measurement are sent to control processing module, controls processing module
Room air data are handled to obtain control result；Control processing module is connected with fan assembly (2), controls processing module
The starting or closing of fan assembly are controlled according to control result；Electronic display (4) is connected with control processing module, electronic display
Display screen is used for real-time display room air information；Operation panel (3) is connected by controlling processing module with fan assembly (2), is grasped
Make panel for controlling the revolving speed of fan assembly.
2. the fresh air system that Intelligent Indoor Air detection according to claim 1 is adjusted, it is characterised in that: the sensing
Device group (5) includes temperature sensor, humidity sensor, formaldehyde sensor and benzene sensor, temperature sensor and humidity sensor
It is respectively used to the temperature of indoor and outdoor and the humidity of indoor and outdoor；Formaldehyde sensor and benzene sensor are respectively used to measure indoor formaldehyde
Content and benzene content, and formaldehyde and benzene content data that measurement is obtained are sent by NB-IoT (narrowband Internet of Things) communication module
To control processing module.
3. the fresh air system that Intelligent Indoor Air detection according to claim 1 is adjusted, it is characterised in that: the fan
Device (2) includes fan main body, sealing plate, separation net, first motor and the second motor, and fan main body is fixed on fixed frame (1)
On, first motor is connected the operating for controlling fan main body with fan main body；Sealing plate is hingedly mounted on sending for fan main body
The periphery in wind face is equipped with separation net between sealing plate and the air-supply face of fan main body, the second motor is connected with sealing plate to be used for
The folding of sealing plate is controlled, opening or closing for sealing plate makes sealing plate not close or close fan main body；First motor and the second electricity
Machine is connected with control processing module.
4. the fresh air system that Intelligent Indoor Air detection according to claim 1 is adjusted, it is characterised in that: the forms
(6) surrounding of mounting hole is fixed with fixed frame (7), and the fixed frame (1) of fresh air system is mounted in fixed frame (7).
5. the fresh air system that Intelligent Indoor Air detection according to claim 2 is adjusted, it is characterised in that the benzene passes
Sensor is connected to NB-IoT communication module by the first analog-digital converter, and the normal phase input end connection benzene of the first analog-digital converter passes
The output end of sensor, the reverse inter-input-ing ending grounding of the first analog-digital converter, the first analog-digital converter connects NB-IoT communication module；
The formaldehyde sensor is connected to NB-IoT communication module by the second analog-digital converter, and the positive of the second analog-digital converter is defeated
Enter end connection formaldehyde sensor, the reverse inter-input-ing ending grounding of the first analog-digital converter, the output end connection of the second analog-digital converter
NB-IoT communication module.
6. a kind of -5 any Intelligent Indoor Airs detect adjusting method according to claim 1, it is characterised in that including with
Lower step:
Step 1: sensor group (5) sends control by NB-IoT communication module for the room air data that real-time measurement obtains
Processing module；
Step 2: control processing module judges whether that fan main body is opened in control according to the detection threshold value of setting, if Interior Space destiny
According to detection threshold value is greater than, control processing module first controls the second motor and opens sealing plate, then controls first motor and open fan master
Body；If room air data are less than detection threshold value, enter next step；
Step 3: by the room air data input support vector classification model at current time, output obtains subsequent time
Predict air data, control processing module judges whether current time needs to open fan main body according to prediction air data: if
The prediction air data of subsequent time is greater than detection threshold value and then controls processing module in current time control unlatching fan main body；It is no
Then, it controls fan main body and sealing plate is closed, and the room air data at current time are stored in historical data base；
Step 4: control processing module shows the room air data at current time by electronic display, and passes through nothing
Gauze network is transmitted to user terminal.
7. a kind of Intelligent Indoor Air according to claim 6 detects adjusting method, it is characterised in that the following steps are included:
The support vector classification model is trained historical data base as training sample, will the historical juncture pair
The room air data answered are as input, using the room air data of subsequent time as output to support vector classification model
It is trained.
8. a kind of Intelligent Indoor Air according to claim 6 detects adjusting method, it is characterised in that the following steps are included:
The room air data include content of formaldehyde data and benzene content data.
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| TWI721579B (en) * | 2019-09-27 | 2021-03-11 | 研能科技股份有限公司 | Air quality system processed with artificial intelligence and internet of things |
| CN112684102A (en) * | 2019-10-17 | 2021-04-20 | 霍尼韦尔国际公司 | Apparatus and method for air quality maintenance |
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